Michael Phelps wins 17th gold medal in 100-meter butterfly

By MATT SLOCUM/The Associated Press

August 3, 2012 | 6:54 p.m. CDT

United States' gold medalist Michael Phelps, front, walks with South Africa's silver medalist Chad le Clos behind him after the medal ceremony for the men's 100-meter butterfly swimming final at the Aquatics Centre in the Olympic Park on Friday.